11998568 has 32 divisors (see below), whose sum is σ = 23292360. Its totient is φ = 5790720.

The previous prime is 11998541. The next prime is 11998577. The reversal of 11998568 is 86589911.

11998568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4169764 + 7828804 = 2042^2 + 2798^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51380 + ... + 51612.

Almost surely, 2^11998568 is an apocalyptic number.

It is an amenable number.

11998568 is a deficient number, since it is larger than the sum of its proper divisors (11293792).

11998568 is a wasteful number, since it uses less digits than its factorization.

11998568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 433 counting only the distinct ones).

The product of its digits is 155520, while the sum is 47.

The square root of 11998568 is about 3463.8949175747. The cubic root of 11998568 is about 228.9337413106.

The spelling of 11998568 in words is "eleven million, nine hundred ninety-eight thousand, five hundred sixty-eight".